Only if the manufacture makes them exposed to the can-bus. I am sure most are locked to a control module and they may only look for a difference in pressure to the average. If you want tire pressure monitoring your best bet is to buy the system that everyone is using here. Most of the popular front-ends already have plugins or support for the kit. Good luck SNO

Very good video, I guess if your up for the work it is do-able. For me robby has done all this work and it works great.

the video talks about how the packets are visible (since its just using normal 2.4ghz band) and has somewhat been reverse engineered. some signals are strong enough to pick up from monitoring on the sidewalk.
So essentially it is the packets before it reaches the car ecu. the raw data.

Tire pressure monitoring systems (TPMS) are becoming common on automobiles, and in certain countries, are required as a condition of sale. Most TPMS devices use simple wireless communication techniques such as: